[INFO] crate completion 0.2.1 is already in cache
[INFO] checking completion-0.2.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate completion 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate completion 0.2.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate completion 0.2.1
[INFO] finished tweaking crates.io crate completion 0.2.1
[INFO] tweaked toml for crates.io crate completion 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ba4bbe5843547bd948fa59b1d9b20e3b03f0c6f752951be5a20285bc7073a97
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ba4bbe5843547bd948fa59b1d9b20e3b03f0c6f752951be5a20285bc7073a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ba4bbe5843547bd948fa59b1d9b20e3b03f0c6f752951be5a20285bc7073a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba4bbe5843547bd948fa59b1d9b20e3b03f0c6f752951be5a20285bc7073a97", kill_on_drop: false }`
[INFO] [stdout] 0ba4bbe5843547bd948fa59b1d9b20e3b03f0c6f752951be5a20285bc7073a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1bed29810dec1847d94877cb27fd9c56beb76533e03c677a2017e0e49596be5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1bed29810dec1847d94877cb27fd9c56beb76533e03c677a2017e0e49596be5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking completion-core v0.2.0
[INFO] [stderr]     Checking completion-io v0.2.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling completion-macro v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.88s
[INFO] running `Command { std: "docker" "inspect" "a1bed29810dec1847d94877cb27fd9c56beb76533e03c677a2017e0e49596be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bed29810dec1847d94877cb27fd9c56beb76533e03c677a2017e0e49596be5", kill_on_drop: false }`
[INFO] [stdout] a1bed29810dec1847d94877cb27fd9c56beb76533e03c677a2017e0e49596be5